iPhone Screenshots


People are becoming increasingly concerned about the air quality in China nowadays. This app help you to track real-time PM2.5 index of most of the cities in China.

Helpful tips:

-Tap the plus sign to add cities.
-Tap the menu sign to remove cities.
-Swipe left-to-right to move between locations.

Hope it helps and feel free to give me feedback here http://leancodingnow.com/.
Thanks Yi for helping with the design.

What’s New

Version 1.4

This app has been updated by Apple to use the latest Apple signing certificate.

Bug fixes.

App Privacy

The developer, Chunhui Wang, has not provided details about its privacy practices and handling of data to Apple.

No Details Provided

The developer will be required to provide privacy details when they submit their next app update.


  • Family Sharing

    With Family Sharing set up, up to six family members can use this app.

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